Dragging Search Query Block can remove its color

Steps to reproduce:

1. Open the attached project
2. Open the Search Window
3. Add a query block for Box Collider Component
4. Drag the query block outside the search bar

Actual results: Query Block loses its colour

Expected results: Query Block remains the same after the drag operation

Reproducible with versions: 2023.1.0a18, 6000.0.56f1, 6000.2.2f1, 6000.3.0a6

Not reproducible with versions: 2022.3.66f1, 2023.1.0a17

Tested on (OS): Ubuntu 24.04, macOS 15.6.1

Notes:

• The issue also occurs if the Drag operation is ended above another Query Block or a Plus Button for adding new Query Blocks